[nautilus] meson.build: Add 32-bit sparc to seccomp unsupported list

[Ernestas Kulik <ernestask src gnome org>]

commit 44b49e6ca02add9592abac03a8578b9eea1a5088
Author: Mart Raudsepp <leio gentoo org>
Date:   Fri Feb 15 21:34:34 2019 +0200

    meson.build: Add 32-bit sparc to seccomp unsupported list
    
    32-bit sparc doesn't support seccomp either.

 meson.build | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/meson.build b/meson.build
index a803c0738..1185f38c5 100644
--- a/meson.build
+++ b/meson.build
@@ -79,6 +79,7 @@ unsupported_cpus = [
   'parisc',
   'parisc64',
   'sh4',
+  'sparc',
   'sparc64',
 ]
 system_supports_seccomp = host_system == 'linux'